%% You should probably cite rfc3565 instead of this I-D.
@techreport{ietf-smime-aes-alg-07,
    number =    {draft-ietf-smime-aes-alg-07},
    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-aes-alg/07/},
    author =    {Jim Schaad},
    title =     {{Use of the Advanced Encryption Standard (AES) Encryption Algorithm in Cryptographic Message Syntax (CMS)}},
    pagetotal = 14,
    year =      2003,
    month =     may,
    day =       29,
    abstract =  {This document specifies the conventions for using the Advanced Encryption Standard (AES) algorithm for encryption with the Cryptographic Message Syntax (CMS). {[}STANDARDS-TRACK{]}},
}