%% You should probably cite draft-ietf-drip-auth instead of this I-D.
@techreport{wiethuechter-drip-auth-06,
    number =    {draft-wiethuechter-drip-auth-06},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-wiethuechter-drip-auth/06/},
    author =    {Adam Wiethuechter and Stuart W. Card and Robert Moskowitz},
    title =     {{DRIP Authentication Formats}},
    pagetotal = 22,
    year =      2020,
    month =     dec,
    day =       17,
    abstract =  {This document describes how to include trust into the ASTM Remote ID specification defined in ASTM F3411-19 under a Broadcast Remote ID (RID) scenario. It defines a few different message schemes (based on the Authentication Message) that can be used to assure past messages sent by a UA and also act as an assurance for UA trustworthiness in the absence of Internet connectivity at the receiving node.},
}