%% You should probably cite rfc5397 instead of this I-D.
@techreport{sanchez-webdav-current-principal-02,
    number =    {draft-sanchez-webdav-current-principal-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-sanchez-webdav-current-principal/02/},
    author =    {Cyrus Daboo and Wilfredo Sanchez},
    title =     {{WebDAV Current Principal Extension}},
    pagetotal = 5,
    year =      2008,
    month =     oct,
    day =       31,
    abstract =  {This specification defines a new WebDAV property that allows clients to quickly determine the principal corresponding to the current authenticated user. {[}STANDARDS-TRACK{]}},
}