Oracle recently announced that they’ve released a Beta version of their provider which supports Entity Framework. Features include LINQ to Entities, Model First development, and support for the Entity Data Model Wizard. We can download it from here http://www.oracle.com/technetwork/topics/dotnet/downloads/oracleefbeta-302521.html.
And here is the setup instructions
http://www.oracle.com/technetwork/topics/dotnet/downloads/odacefbetainstallinstructions-302527.html
Thanks,
Naga Harish.