%% You should probably cite rfc7027 instead of this I-D.
@techreport{merkle-tls-brainpool-04,
    number =    {draft-merkle-tls-brainpool-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-merkle-tls-brainpool/04/},
    author =    {Johannes Merkle and Manfred Lochter},
    title =     {{Elliptic Curve Cryptography (ECC) Brainpool Curves for Transport Layer Security (TLS)}},
    pagetotal = 10,
    year =      2013,
    month =     jul,
    day =       8,
    abstract =  {This document specifies the use of several Elliptic Curve Cryptography (ECC) Brainpool curves for authentication and key exchange in the Transport Layer Security (TLS) protocol.},
}