Single Chip dual power supply +12V -12V by LM326

This is idea circuit dual power supply +12V -12V by LM326 Single Chip IC.
I want to know the single IC which can provide Both + V and -V from a single +Vin supply.. I need this for my dual supply opamp.Reply me as soon as possible.

Read More Source:
http://www.delabs-circuits.com/mailfaq/arc20061210.html
Thank you.

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Single Chip dual power supply +12V -12V by LM326