John Obi Mikel has revealed that Nigeria had to work hard to carry out their game plan and stop the Ivory Coast from playing their football.
"We're very happy with our achievement," said Mikel. "A big congratulations to Ivory Coast for their achievement so far.
"We knew that they're a good team so if we were able to work together and play for each other on the pitch, we could stop them playing.
"And that's exactly what we have done today."
Nigeria will play Mali in the semi-final.