%% You should probably cite draft-ietf-stir-passport-divert instead of this I-D.
@techreport{peterson-passport-divert-01,
    number =    {draft-peterson-passport-divert-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-peterson-passport-divert/01/},
    author =    {Jon Peterson},
    title =     {{PASSporT Extension for Diverted Calls}},
    pagetotal = 8,
    year =      2017,
    month =     jun,
    day =       12,
    abstract =  {This document extends PASSporT, which conveys cryptographically- signed information about the people involved in personal communications, to include an indication that a call has been diverted from its originally destination to a new one. This information can greatly improve the decisions made by verification services in call forwarding scenarios.},
}