How to call stored procedure in entity framework

I am Fresher I have one table Employee and one stored procedure(in oracle) to get all employees CREATE OR REPLACE procedure MEGATEST.getemployee(    cv_results in out sys_refcursor)    is    begin      open cv_results for        select id,name,address,deptid          from employee; end; / I am using Linq to Entity,and i dont know how to call stored procedure in Entity Framework can Anybody Help.