%% You should probably cite rfc2797 instead of this I-D.
@techreport{ietf-pkix-cmc-05,
    number =    {draft-ietf-pkix-cmc-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-ietf-pkix-cmc/05/},
    author =    {Xiaoyi Liu and Jim Schaad and Michael Myers and Jeff Weinstein},
    title =     {{Certificate Management Messages over CMS}},
    pagetotal = 47,
    year =      1999,
    month =     jul,
    day =       16,
    abstract =  {This document defines a Certificate Management protocol using CMS (CMC). {[}STANDARDS-TRACK{]}},
}