%% You should probably cite draft-turner-application-cms-media-type instead of this I-D.
@techreport{turner-application-firmware-media-types-00,
    number =    {draft-turner-application-firmware-media-types-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-turner-application-firmware-media-types/00/},
    author =    {Sean Turner and Russ Housley},
    title =     {{The application/firmware, application/firmware-receipt, and application/firmware-error media types}},
    pagetotal = 6,
    year =      2013,
    month =     apr,
    day =       30,
    abstract =  {This document registers the application/firmware, application/firmware-receipt and application/firmware-error media media types for use with the corresponding CMS (Cryptographic Message Syntax) content types defined in RFC 4108.},
}