entities

Layered Architecture in Entity Framework 4.0

Hi I am trying architect a small project. I planning to have Data acess, Business Service, WcfService, UI Layer. I am trying to use EF 4.0 and MVC 2.0. My question is where to generate the entities and ObjectContext through EF. I initially planned it in DataAccess. but to make entities available across all layer I have to reference ...