how to improve performance in wcf Services calling Function

Question

i have write a one store procedure it return 23000 records and its getting 00:00:01 Sec. Timing in Sql-Server ,but when i call this store procedure using WCF + Entity Framework its require timing is  10 Sec (in local Network)  for getting result from database 

 

So plz let me know how to decrease WCF Service Function Processing Timing......