%% You should probably cite rfc8075 instead of this I-D.
@techreport{ietf-core-http-mapping-04,
    number =    {draft-ietf-core-http-mapping-04},
    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-core-http-mapping/04/},
    author =    {Angelo P. Castellani and Salvatore Loreto and Akbar Rahman and Thomas Fossati and Esko Dijk},
    title =     {{Guidelines for HTTP-CoAP Mapping Implementations}},
    pagetotal = 28,
    year =      2014,
    month =     jul,
    day =       4,
    abstract =  {This draft provides reference information for HTTP-CoAP protocol translation proxy implementation, focusing on the reverse proxy case. It details deployment options, defines a template for URI mapping, and provides a set of guidelines and considerations related to protocol translation.},
}