%% You should probably cite draft-ietf-appsawg-media-type-suffix-regs instead of this I-D.
@techreport{hansen-media-type-suffix-regs-00,
    number =    {draft-hansen-media-type-suffix-regs-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-hansen-media-type-suffix-regs/00/},
    author =    {Tony Hansen},
    title =     {{Additional Media Type Structured Syntax Suffixes}},
    pagetotal = 5,
    year =      2012,
    month =     apr,
    day =       4,
    abstract =  {This document defines several Structured Syntax Suffixes for use with media type registrations. In particular, it defines and registers the "+json", "+der", "+fastinfoset" and "+wbxml" Structured Syntax Suffixes.},
}