%% You should probably cite draft-ietf-kitten-gss-sanon instead of this I-D.
@techreport{howard-gss-sanon-04,
    number =    {draft-howard-gss-sanon-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-howard-gss-sanon/04/},
    author =    {Luke Howard},
    title =     {{A Simple Anonymous GSS-API Mechanism}},
    pagetotal = 11,
    year =      2020,
    month =     apr,
    day =       8,
    abstract =  {This document defines protocols, procedures and conventions for a Generic Security Service Application Program Interface (GSS-API) security mechanism that provides key agreement without authentication of either party.},
}