%% You should probably cite rfc3339 instead of this I-D.
@techreport{ietf-impp-datetime-04,
    number =    {draft-ietf-impp-datetime-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-ietf-impp-datetime/04/},
    author =    {Chris Newman and Graham Klyne},
    title =     {{Date and Time on the Internet: Timestamps}},
    pagetotal = 18,
    year =      2001,
    month =     jul,
    day =       3,
    abstract =  {This document defines a date and time format for use in Internet protocols that is a profile of the ISO 8601 standard for representation of dates and times using the Gregorian calendar.},
}