%% You should probably cite draft-ietf-xmpp-6122bis instead of this I-D.
@techreport{saintandre-xmpp-6122bis-02,
    number =    {draft-saintandre-xmpp-6122bis-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-saintandre-xmpp-6122bis/02/},
    author =    {Peter Saint-Andre},
    title =     {{Extensible Messaging and Presence Protocol (XMPP): Address Format}},
    pagetotal = 17,
    year =      2011,
    month =     aug,
    day =       19,
    abstract =  {This document defines the address format for the Extensible Messaging and Presence Protocol (XMPP), including support for code points outside the US-ASCII range. This document obsoletes RFC 6122.},
}