%% You should probably cite draft-ietf-lake-reqs instead of this I-D.
@techreport{selander-lake-reqs-04,
    number =    {draft-selander-lake-reqs-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-selander-lake-reqs/04/},
    author =    {Mališa Vučinić and Göran Selander and John Preuß Mattsson and Dan Garcia-Carillo},
    title =     {{Requirements for a Lightweight AKE for OSCORE}},
    pagetotal = 19,
    year =      2019,
    month =     dec,
    day =       6,
    abstract =  {This document compiles the requirements for a lightweight authenticated key exchange protocol for OSCORE.},
}