Extract of Users with a specific data populated in 'extentionAttribute13' field ex:extentionAttribute13 = InternalEMP

Hello Quest Team, we are looking to Extract Users with a specific data populated in 'extentionAttribute13' field ex:extentionAttribute13 = InternalEMP
along with this field we also like to select various other user fields, so please don't hard cord .XRD file with only  ex:extentionAttribute13.

Your kind assistance is much appreciated.