%% You should probably cite rfc7142 instead of this I-D.
@techreport{ietf-isis-rfc1142-to-historic-00,
    number =    {draft-ietf-isis-rfc1142-to-historic-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-ietf-isis-rfc1142-to-historic/00/},
    author =    {Mike Shand and Les Ginsberg},
    title =     {{Reclassification of RFC 1142 to Historic}},
    pagetotal = 3,
    year =      2013,
    month =     aug,
    day =       6,
    abstract =  {This memo reclassifies RFC 1142, "OSI IS-IS Intra-domain Routing Protocol", to Historic status. This memo also obsoletes RFC 1142.},
}