%% You should probably cite draft-ietf-appsawg-multipart-form-data instead of this I-D.
@techreport{masinter-multipart-form-data-03,
    number =    {draft-masinter-multipart-form-data-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-masinter-multipart-form-data/03/},
    author =    {Larry M Masinter},
    title =     {{Returning Values from Forms: multipart/form-data}},
    pagetotal = 9,
    year =      2013,
    month =     sep,
    day =       21,
    abstract =  {This specification (re)defines the multipart/form-data Internet Media Type, which can be used by a wide variety of applications and transported by a wide variety of protocols as a way of returning a set of values as the result of a user filling out a form. It replaces RFC 2388.},
}