%% You should probably cite draft-karcz-uuas-01 instead of this revision.
@techreport{karcz-uuas-00,
    number =    {draft-karcz-uuas-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-karcz-uuas/00/},
    author =    {Mateusz Karcz},
    title =     {{Unified User-Agent String (UUAS)}},
    pagetotal = 9,
    year =      2012,
    month =     jan,
    day =       27,
    abstract =  {User-Agent is a header used by certain protocols, e.g. HTTP. Unified User-Agent String is intended to unification of that complicated strings.},
}