%% You should probably cite rfc4073 instead of this I-D.
@techreport{housley-contentcollection-05,
    number =    {draft-housley-contentcollection-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-housley-contentcollection/05/},
    author =    {Russ Housley},
    title =     {{Protecting Multiple Contents with the Cryptographic Message Syntax (CMS)}},
    pagetotal = 9,
    year =      2004,
    month =     nov,
    day =       19,
    abstract =  {This document describes a convention for using the Cryptographic Message Syntax (CMS) to protect a content collection. If desired, attributes can be associated with the content. {[}STANDARDS-TRACK{]}},
}