%% You should probably cite rfc5029 instead of this I-D.
@techreport{ietf-isis-link-attr-03,
    number =    {draft-ietf-isis-link-attr-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-ietf-isis-link-attr/03/},
    author =    {JP Vasseur and Stefano Previdi},
    title =     {{Definition of an IS-IS Link Attribute Sub-TLV}},
    pagetotal = 6,
    year =      2007,
    month =     feb,
    day =       7,
    abstract =  {This document defines a sub-TLV called "Link-attributes" carried within the TLV 22 and used to flood some link characteristics. {[}STANDARDS-TRACK{]}},
}