The Capitol Resource Institute is a hard-line, socially conservative organization that has long opposed efforts in California to expand rights for the LGBT population. Backers eventually would have to collect 433,971 signatures to allow voters to decide whether to keep the law in place or reject it. [Spokesman Paulo] Sibaja said that a coalition has formed behind the proposed measure, though he would not name the other members. He said a news conference Wednesday would give more details. When asked how the group planned to fund the referendum, he said, "That's what the press conference will be about."