%% You should probably cite rfc7127 instead of this I-D.
@techreport{kolkman-proposed-standards-clarified-05,
    number =    {draft-kolkman-proposed-standards-clarified-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-kolkman-proposed-standards-clarified/05/},
    author =    {Olaf Kolkman and Scott O. Bradner and Sean Turner},
    title =     {{Characterization of Proposed Standards}},
    pagetotal = 9,
    year =      2013,
    month =     oct,
    day =       31,
    abstract =  {RFC 2026 describes the review performed by the IESG on IETF Proposed Standard RFCs and characterizes the maturity level of those documents. This document updates RFC 2026 by providing a current and more accurate characterization of Proposed Standards.},
}