This video, part of the Open Mic Webcast ("SSO and LDAP with IBM Sametime"), Joshua Edwards describes how to configure WebSphere and Sametime to support LTPA tokens. 

More information about the session, including a full video as well as recorded audio and presentation can be found in the Webcast document for the event:  http://www.ibm.com/support/docview.wss?uid=swg27046757