Does anyone know who I can populate my web service proxy credentials so it would satisfy the WSDL requirement below for WssUsernameToken10?

I'm using .Net 1.1 with Web Service Extensions 2.0 (WSE2)

Thanks in advance

   <sp:SupportingTokens xmlns:sp="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy">
      <wsp:Policy>
         <sp:UsernameToken sp:IncludeToken="http://schemas.xmlsoap.org/ws/2005/07/securitypolicy/IncludeToken/AlwaysToRecipient">
            <wsp:Policy>
               <sp:WssUsernameToken10/>
            </wsp:Policy>
         </sp:UsernameToken>
      </wsp:Policy>
   </sp:SupportingTokens>