Can't. The point of using an encryption is to not allow access without the proper password or key. If there was a way of hacking into an encrypted drive as easy as posting on the internet, who would use that product?
I have formatted the drive with operating system and reinstall the windows 7 on it. Before that i got three partitions which were bitlocker secured. Now after installing windows, i m unable to unlock those fixed drive with password nor i have the keys generated at the time of encryption. But one drive was unlocked by using the password. Please let me know how i m going to unlock my those remaining 2 drives.