%% You should probably cite rfc5652 instead of this I-D.
@techreport{ietf-smime-rfc3852bis-00,
    number =    {draft-ietf-smime-rfc3852bis-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-smime-rfc3852bis/00/},
    author =    {Russ Housley},
    title =     {{Cryptographic Message Syntax (CMS)}},
    pagetotal = 56,
    year =      2009,
    month =     jun,
    day =       9,
    abstract =  {This document describes the Cryptographic Message Syntax (CMS). This syntax is used to digitally sign, digest, authenticate, or encrypt arbitrary message content. {[}STANDARDS-TRACK{]}},
}