Support for EAP-AKA in free radius

Hi, Wanted to know whether free radius support EAP-AKA.Heard there is some patch available for EAP-AKA in free radius.Please let me know  the link/source from where this patch can be downloaded.It will be helpful, if somebody can send the steps for configuring free radius with EAP-AKA. Thanks & regardsManjunath