%% You should probably cite rfc2048 instead of this I-D.
@techreport{ietf-822ext-mime-reg-03,
    number =    {draft-ietf-822ext-mime-reg-03},
    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-822ext-mime-reg/03/},
    author =    {Dr. Jon Postel and Dr. John C. Klensin and Ned Freed},
    title =     {{Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures}},
    pagetotal = 21,
    year =      1996,
    month =     mar,
    day =       14,
    abstract =  {This set of documents, collectively called the Multipurpose Internet Mail Extensions, or MIME, redefines the format of messages. This fourth document, RFC 2048, specifies various IANA registration procedures for some MIME facilities. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.},
}