FC Honka are the defending champions, having won their second league cup last year.
The top two teams and two best 3rd placed teams from each group will enter the one-legged elimination rounds – quarter-finals, semi-finals and the final.
The group stage matches will be played from 13 January to 17 March 2012.
At the end of the group stage, a comparison is made between the third placed teams.
The two best third-placed teams will advance to the quarter-finals.