%% You should probably cite rfc7738 instead of this I-D.
@techreport{blanchet-ccsds-urn-01,
    number =    {draft-blanchet-ccsds-urn-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-blanchet-ccsds-urn/01/},
    author =    {Marc Blanchet and Audric Schiltknecht and Peter Shames},
    title =     {{A Uniform Resource Name (URN) Namespace for the Consultative Committee for Space Data Systems (CCSDS)}},
    pagetotal = 8,
    year =      2015,
    month =     oct,
    day =       15,
    abstract =  {This document describes a Uniform Resource Name (URN) namespace intended for persistently and uniquely naming resources published by the Consultative Committee for Space Data Systems (CCSDS).},
}