%% You should probably cite draft-ietf-isis-prefix-attributes instead of this I-D.
@techreport{ginsberg-isis-prefix-attributes-01,
    number =    {draft-ginsberg-isis-prefix-attributes-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ginsberg-isis-prefix-attributes/01/},
    author =    {Les Ginsberg and Bruno Decraene and Clarence Filsfils and Stephane Litkowski and Stefano Previdi},
    title =     {{IS-IS Prefix Attributes for Extended IP and IPv6 Reachability}},
    pagetotal = 7,
    year =      2015,
    month =     mar,
    day =       2,
    abstract =  {This document introduces new sub-TLVs to support advertisement of prefix attribute flags and the source router id of the router which originated a prefix advertisement.},
}