%% You should probably cite rfc4854 instead of this I-D.
@techreport{saintandre-xmpp-urn-03,
    number =    {draft-saintandre-xmpp-urn-03},
    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-urn/03/},
    author =    {Peter Saint-Andre},
    title =     {{A Uniform Resource Name (URN) Namespace for Extensions to the Extensible Messaging and Presence Protocol (XMPP)}},
    pagetotal = 9,
    year =      2007,
    month =     feb,
    day =       23,
    abstract =  {This document describes a Uniform Resource Name (URN) namespace for uniquely identifying Extensible Markup Language (XML) formats and protocols that provide extensions to the Extensible Messaging and Presence Protocol (XMPP) and are defined in specifications published by the XMPP Standards Foundation (XSF). This memo provides information for the Internet community.},
}