%% You should probably cite rfc7255 instead of this I-D.
@techreport{allen-dispatch-imei-urn-as-instanceid-04,
    number =    {draft-allen-dispatch-imei-urn-as-instanceid-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-allen-dispatch-imei-urn-as-instanceid/04/},
    author =    {Andrew Allen},
    title =     {{Using the International Mobile station Equipment Identity(IMEI)URN as an Instance ID}},
    pagetotal = 8,
    year =      ,
    month =     ,
    day =       ,
    abstract =  {This specification defines how the Uniform Resource Name namespace reserved for GSMA (Global Sstandard for Mobiles Association) identities and its sub namespace for the IMEI (International Mobile station Equipment Identity) can be used as an instance-id as specified in RFC 5626 {[}1{]} and also as used by RFC 5627 {[}2{]}.},
}