The city was supposed to foot the bill, but citizens were crying foul because the city is at a deficit. However, private donors stepped up:
http://www.knx1070.com/Laker-Parade-Donors-Revealed/4604029
According to AEG, which owns Staples Center, other donors were Cheryl and Haim Saban, media mogul and chairman of Saban Capital Group; philanthropists Edythe and Eli Broad; Sharon and Joe Hernandez of Melissa’s Fruits and Vegetables; and Gayle and Ed Roski, the real estate developer working to bring an NFL team to the Southland; and the San Manuel Band of Mission Indians.