or download this
<?xml version="1.0" encoding="UTF-8"?>
<trust:RequestSecurityTokenResponseCollection xmlns:trust="http://docs
+.oasis-open.org/ws-sx/ws-trust/200512">
...
<trust:KeyType>http://docs.oasis-open.org/ws-sx/ws-trust/20051
+2/Bearer</trust:KeyType>
</trust:RequestSecurityTokenResponse>
</trust:RequestSecurityTokenResponseCollection>