%% You should probably cite draft-ietf-stir-rph-emergency-services instead of this I-D.
@techreport{dolly-stir-rph-emergency-services-00,
    number =    {draft-dolly-stir-rph-emergency-services-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-dolly-stir-rph-emergency-services/00/},
    author =    {Martin Dolly and Chris Wendt},
    title =     {{Assertion Values for a Resource Priority Header Claim in Support of Emergency Services Networks}},
    pagetotal = 6,
    year =      2019,
    month =     nov,
    day =       4,
    abstract =  {This document adds new assertion values for a Resource Priority Header ("rph") claim defined in RFC 8443, in support of Emergency Services Networks for emergency call origination and callback.},
}