"I will conclude my story (as Croatia coach) with the EURO. This is my last championship," Bilic told journalists after he unveiled his 27-man squad.
Bilic refused to comment on reports that he was negotiating to take over at Russian Premier League side Lokomotiv Moscow.
"The main job is ahead of us," he said. "I don't think about what will happen afterwards but only about this big, sacred goal."
The former Croatian international, who played for Everton and West Ham United, took over as national coach in 2006. The following year he became a national hero when Croatia claimed a famous 3-2 at Wembley to deny England a place at UEFA EURO 2008.
"I'm certainly a better coach then in 2008 but the goal is the same -- to win Euro 2012," he said.
Bilic repeatedly said he believed his side can reach the quarter-finals despite being drawn with defending champions Spain, Italy and Republic of Ireland in Group C.
Bilic was a member of the squad that achieved Croatia's biggest success on the international stage as it won a third-place finish at the 1998 FIFA World Cup™ in France.