%% You should probably cite rfc6874 instead of this I-D.
@techreport{ietf-6man-uri-zoneid-00,
    number =    {draft-ietf-6man-uri-zoneid-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-6man-uri-zoneid/00/},
    author =    {Bob Hinden},
    title =     {{Representing IPv6 Zone Identifiers in Uniform Resource Identifiers}},
    pagetotal = 7,
    year =      2012,
    month =     feb,
    day =       17,
    abstract =  {This document describes how the Zone Identifier of an IPv6 scoped address can be represented in a Uniform Resource Identifier that includes a literal IPv6 address. It updates RFC 3986 and RFC 4007.},
}