%% You should probably cite rfc9624 instead of this I-D.
@techreport{ietf-bier-evpn-02,
    number =    {draft-ietf-bier-evpn-02},
    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-bier-evpn/02/},
    author =    {Zhaohui (Jeffrey) Zhang and Tony Przygienda and Ali Sajassi and Jorge Rabadan},
    title =     {{EVPN BUM Using BIER}},
    pagetotal = 14,
    year =      2019,
    month =     nov,
    day =       4,
    abstract =  {This document specifies protocols and procedures for forwarding broadcast, unknown unicast and multicast (BUM) traffic of Ethernet VPNs (EVPN) using Bit Index Explicit Replication (BIER).},
}