It might depend on what device your using but a quick look at the datasheet from the Sparkfun site Bluetooth Modem - BlueSMiRF Gold - WRL-10268 - SparkFun Electronics? shows you can put that particular model into master mode.
It might depend on what device your using but a quick look at the datasheet from the Sparkfun site Bluetooth Modem - BlueSMiRF Gold - WRL-10268 - SparkFun Electronics? shows you can put that particular model into master mode.