Ronaldo's opener in the European champions' 3-0 win at Anfield two weeks ago took him to within one goal of Madrid legend Raul's 71 Champions League goals.
A 12th consecutive victory in all competitions would allow Real to seal their place in the last 16 with two games to spare in Group B.
Liverpool are tied with Swiss champions Basel and Champions League debutants Ludogorets Razgrad in a battle for second place on three points.
"We've worked very hard over a couple of years to get to this level," he said.
More From This Section
"To play Real Madrid at the Bernabeu tells us that we've been doing okay. But, of course, we're in a transition phase. We want to be better and we need to be better. So the game tomorrow night is a wonderful game for us.
"We're still very much in the group to qualify, which is the objective. It's a big ask playing against arguably the best team in the world at the moment.
By contrast, Madrid moved to the top of La Liga for the first time this season with a 4-0 thrashing of Granada on Saturday, taking their goal tally in their 11-game winning streak to 46.
"We need to continue this run and we're very happy with the way we're playing. We're in incredible form," said midfielder Luka Modric.
"We want to be comfortable in games and we played well against Granada from the kick-off. The team wants more and the more goals we score the more we want.