The full technical regulations of the event are on the FIDE handbook:
http://www.fide.com/fide/handbook.html?id=135&view=article
More travel information for Tromso is provided by the local Organising Committee:
http://www.tromso2014.no/world-cup-2013/information-for-players/
FIDE is also publishing the initial list of qualifiers as per regulations:
World Cup qualifiers (pdf)
Player's Contract (pdf)